=== tests/cases/conformance/expressions/contextualTyping/parenthesizedContexualTyping2.ts === // These tests ensure that in cases where it may *appear* that a value has a type, // they actually are properly being contextually typed. The way we test this is // that we invoke contextually typed arguments with type arguments. // Since 'any' cannot be invoked with type arguments, we should get errors // back if contextual typing is not taking effect. type FuncType = (x: (p: T) => T) => typeof x; >FuncType : Symbol(FuncType, Decl(parenthesizedContexualTyping2.ts, 0, 0)) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 6, 17)) >T : Symbol(T, Decl(parenthesizedContexualTyping2.ts, 6, 21)) >p : Symbol(p, Decl(parenthesizedContexualTyping2.ts, 6, 24)) >T : Symbol(T, Decl(parenthesizedContexualTyping2.ts, 6, 21)) >T : Symbol(T, Decl(parenthesizedContexualTyping2.ts, 6, 21)) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 6, 17)) function fun(f: FuncType, x: T): T; >fun : Symbol(fun, Decl(parenthesizedContexualTyping2.ts, 6, 48), Decl(parenthesizedContexualTyping2.ts, 8, 38), Decl(parenthesizedContexualTyping2.ts, 9, 51)) >T : Symbol(T, Decl(parenthesizedContexualTyping2.ts, 8, 13)) >f : Symbol(f, Decl(parenthesizedContexualTyping2.ts, 8, 16)) >FuncType : Symbol(FuncType, Decl(parenthesizedContexualTyping2.ts, 0, 0)) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 8, 28)) >T : Symbol(T, Decl(parenthesizedContexualTyping2.ts, 8, 13)) >T : Symbol(T, Decl(parenthesizedContexualTyping2.ts, 8, 13)) function fun(f: FuncType, g: FuncType, x: T): T; >fun : Symbol(fun, Decl(parenthesizedContexualTyping2.ts, 6, 48), Decl(parenthesizedContexualTyping2.ts, 8, 38), Decl(parenthesizedContexualTyping2.ts, 9, 51)) >T : Symbol(T, Decl(parenthesizedContexualTyping2.ts, 9, 13)) >f : Symbol(f, Decl(parenthesizedContexualTyping2.ts, 9, 16)) >FuncType : Symbol(FuncType, Decl(parenthesizedContexualTyping2.ts, 0, 0)) >g : Symbol(g, Decl(parenthesizedContexualTyping2.ts, 9, 28)) >FuncType : Symbol(FuncType, Decl(parenthesizedContexualTyping2.ts, 0, 0)) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 9, 41)) >T : Symbol(T, Decl(parenthesizedContexualTyping2.ts, 9, 13)) >T : Symbol(T, Decl(parenthesizedContexualTyping2.ts, 9, 13)) function fun(...rest: any[]): T { >fun : Symbol(fun, Decl(parenthesizedContexualTyping2.ts, 6, 48), Decl(parenthesizedContexualTyping2.ts, 8, 38), Decl(parenthesizedContexualTyping2.ts, 9, 51)) >T : Symbol(T, Decl(parenthesizedContexualTyping2.ts, 10, 13)) >rest : Symbol(rest, Decl(parenthesizedContexualTyping2.ts, 10, 16)) >T : Symbol(T, Decl(parenthesizedContexualTyping2.ts, 10, 13)) return undefined; >undefined : Symbol(undefined) } var a = fun(x => { x(undefined); return x; }, 10); >a : Symbol(a, Decl(parenthesizedContexualTyping2.ts, 14, 3)) >fun : Symbol(fun, Decl(parenthesizedContexualTyping2.ts, 6, 48), Decl(parenthesizedContexualTyping2.ts, 8, 38), Decl(parenthesizedContexualTyping2.ts, 9, 51)) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 14, 12)) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 14, 12)) >undefined : Symbol(undefined) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 14, 12)) var b = fun((x => { x(undefined); return x; }), 10); >b : Symbol(b, Decl(parenthesizedContexualTyping2.ts, 15, 3)) >fun : Symbol(fun, Decl(parenthesizedContexualTyping2.ts, 6, 48), Decl(parenthesizedContexualTyping2.ts, 8, 38), Decl(parenthesizedContexualTyping2.ts, 9, 51)) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 15, 13)) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 15, 13)) >undefined : Symbol(undefined) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 15, 13)) var c = fun(((x => { x(undefined); return x; })), 10); >c : Symbol(c, Decl(parenthesizedContexualTyping2.ts, 16, 3)) >fun : Symbol(fun, Decl(parenthesizedContexualTyping2.ts, 6, 48), Decl(parenthesizedContexualTyping2.ts, 8, 38), Decl(parenthesizedContexualTyping2.ts, 9, 51)) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 16, 14)) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 16, 14)) >undefined : Symbol(undefined) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 16, 14)) var d = fun((((x => { x(undefined); return x; }))), 10); >d : Symbol(d, Decl(parenthesizedContexualTyping2.ts, 17, 3)) >fun : Symbol(fun, Decl(parenthesizedContexualTyping2.ts, 6, 48), Decl(parenthesizedContexualTyping2.ts, 8, 38), Decl(parenthesizedContexualTyping2.ts, 9, 51)) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 17, 15)) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 17, 15)) >undefined : Symbol(undefined) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 17, 15)) var e = fun(x => { x(undefined); return x; }, x => { x(undefined); return x; }, 10); >e : Symbol(e, Decl(parenthesizedContexualTyping2.ts, 19, 3)) >fun : Symbol(fun, Decl(parenthesizedContexualTyping2.ts, 6, 48), Decl(parenthesizedContexualTyping2.ts, 8, 38), Decl(parenthesizedContexualTyping2.ts, 9, 51)) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 19, 12)) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 19, 12)) >undefined : Symbol(undefined) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 19, 12)) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 19, 53)) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 19, 53)) >undefined : Symbol(undefined) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 19, 53)) var f = fun((x => { x(undefined); return x; }),(x => { x(undefined); return x; }), 10); >f : Symbol(f, Decl(parenthesizedContexualTyping2.ts, 20, 3)) >fun : Symbol(fun, Decl(parenthesizedContexualTyping2.ts, 6, 48), Decl(parenthesizedContexualTyping2.ts, 8, 38), Decl(parenthesizedContexualTyping2.ts, 9, 51)) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 20, 13)) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 20, 13)) >undefined : Symbol(undefined) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 20, 13)) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 20, 56)) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 20, 56)) >undefined : Symbol(undefined) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 20, 56)) var g = fun(((x => { x(undefined); return x; })),((x => { x(undefined); return x; })), 10); >g : Symbol(g, Decl(parenthesizedContexualTyping2.ts, 21, 3)) >fun : Symbol(fun, Decl(parenthesizedContexualTyping2.ts, 6, 48), Decl(parenthesizedContexualTyping2.ts, 8, 38), Decl(parenthesizedContexualTyping2.ts, 9, 51)) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 21, 14)) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 21, 14)) >undefined : Symbol(undefined) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 21, 14)) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 21, 59)) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 21, 59)) >undefined : Symbol(undefined) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 21, 59)) var h = fun((((x => { x(undefined); return x; }))),((x => { x(undefined); return x; })), 10); >h : Symbol(h, Decl(parenthesizedContexualTyping2.ts, 22, 3)) >fun : Symbol(fun, Decl(parenthesizedContexualTyping2.ts, 6, 48), Decl(parenthesizedContexualTyping2.ts, 8, 38), Decl(parenthesizedContexualTyping2.ts, 9, 51)) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 22, 15)) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 22, 15)) >undefined : Symbol(undefined) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 22, 15)) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 22, 61)) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 22, 61)) >undefined : Symbol(undefined) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 22, 61)) // Ternaries in parens var i = fun((Math.random() < 0.5 ? x => { x(undefined); return x; } : x => undefined), 10); >i : Symbol(i, Decl(parenthesizedContexualTyping2.ts, 25, 3)) >fun : Symbol(fun, Decl(parenthesizedContexualTyping2.ts, 6, 48), Decl(parenthesizedContexualTyping2.ts, 8, 38), Decl(parenthesizedContexualTyping2.ts, 9, 51)) >Math.random : Symbol(Math.random, Decl(lib.d.ts, 608, 38)) >Math : Symbol(Math, Decl(lib.d.ts, 522, 1), Decl(lib.d.ts, 633, 11)) >random : Symbol(Math.random, Decl(lib.d.ts, 608, 38)) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 25, 34)) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 25, 34)) >undefined : Symbol(undefined) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 25, 34)) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 25, 77)) >undefined : Symbol(undefined) var j = fun((Math.random() < 0.5 ? (x => { x(undefined); return x; }) : (x => undefined)), 10); >j : Symbol(j, Decl(parenthesizedContexualTyping2.ts, 26, 3)) >fun : Symbol(fun, Decl(parenthesizedContexualTyping2.ts, 6, 48), Decl(parenthesizedContexualTyping2.ts, 8, 38), Decl(parenthesizedContexualTyping2.ts, 9, 51)) >Math.random : Symbol(Math.random, Decl(lib.d.ts, 608, 38)) >Math : Symbol(Math, Decl(lib.d.ts, 522, 1), Decl(lib.d.ts, 633, 11)) >random : Symbol(Math.random, Decl(lib.d.ts, 608, 38)) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 26, 36)) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 26, 36)) >undefined : Symbol(undefined) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 26, 36)) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 26, 81)) >undefined : Symbol(undefined) var k = fun((Math.random() < 0.5 ? (x => { x(undefined); return x; }) : (x => undefined)), x => { x(undefined); return x; }, 10); >k : Symbol(k, Decl(parenthesizedContexualTyping2.ts, 27, 3)) >fun : Symbol(fun, Decl(parenthesizedContexualTyping2.ts, 6, 48), Decl(parenthesizedContexualTyping2.ts, 8, 38), Decl(parenthesizedContexualTyping2.ts, 9, 51)) >Math.random : Symbol(Math.random, Decl(lib.d.ts, 608, 38)) >Math : Symbol(Math, Decl(lib.d.ts, 522, 1), Decl(lib.d.ts, 633, 11)) >random : Symbol(Math.random, Decl(lib.d.ts, 608, 38)) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 27, 36)) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 27, 36)) >undefined : Symbol(undefined) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 27, 36)) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 27, 81)) >undefined : Symbol(undefined) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 27, 98)) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 27, 98)) >undefined : Symbol(undefined) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 27, 98)) var l = fun(((Math.random() < 0.5 ? ((x => { x(undefined); return x; })) : ((x => undefined)))),((x => { x(undefined); return x; })), 10); >l : Symbol(l, Decl(parenthesizedContexualTyping2.ts, 28, 3)) >fun : Symbol(fun, Decl(parenthesizedContexualTyping2.ts, 6, 48), Decl(parenthesizedContexualTyping2.ts, 8, 38), Decl(parenthesizedContexualTyping2.ts, 9, 51)) >Math.random : Symbol(Math.random, Decl(lib.d.ts, 608, 38)) >Math : Symbol(Math, Decl(lib.d.ts, 522, 1), Decl(lib.d.ts, 633, 11)) >random : Symbol(Math.random, Decl(lib.d.ts, 608, 38)) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 28, 38)) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 28, 38)) >undefined : Symbol(undefined) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 28, 38)) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 28, 85)) >undefined : Symbol(undefined) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 28, 106)) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 28, 106)) >undefined : Symbol(undefined) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 28, 106)) var lambda1: FuncType = x => { x(undefined); return x; }; >lambda1 : Symbol(lambda1, Decl(parenthesizedContexualTyping2.ts, 30, 3)) >FuncType : Symbol(FuncType, Decl(parenthesizedContexualTyping2.ts, 0, 0)) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 30, 23)) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 30, 23)) >undefined : Symbol(undefined) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 30, 23)) var lambda2: FuncType = (x => { x(undefined); return x; }); >lambda2 : Symbol(lambda2, Decl(parenthesizedContexualTyping2.ts, 31, 3)) >FuncType : Symbol(FuncType, Decl(parenthesizedContexualTyping2.ts, 0, 0)) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 31, 25)) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 31, 25)) >undefined : Symbol(undefined) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 31, 25)) type ObjType = { x: (p: number) => string; y: (p: string) => number }; >ObjType : Symbol(ObjType, Decl(parenthesizedContexualTyping2.ts, 31, 67)) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 33, 16)) >p : Symbol(p, Decl(parenthesizedContexualTyping2.ts, 33, 21)) >y : Symbol(y, Decl(parenthesizedContexualTyping2.ts, 33, 42)) >p : Symbol(p, Decl(parenthesizedContexualTyping2.ts, 33, 47)) var obj1: ObjType = { x: x => (x, undefined), y: y => (y, undefined) }; >obj1 : Symbol(obj1, Decl(parenthesizedContexualTyping2.ts, 34, 3)) >ObjType : Symbol(ObjType, Decl(parenthesizedContexualTyping2.ts, 31, 67)) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 34, 21)) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 34, 24)) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 34, 24)) >undefined : Symbol(undefined) >y : Symbol(y, Decl(parenthesizedContexualTyping2.ts, 34, 45)) >y : Symbol(y, Decl(parenthesizedContexualTyping2.ts, 34, 48)) >y : Symbol(y, Decl(parenthesizedContexualTyping2.ts, 34, 48)) >undefined : Symbol(undefined) var obj2: ObjType = ({ x: x => (x, undefined), y: y => (y, undefined) }); >obj2 : Symbol(obj2, Decl(parenthesizedContexualTyping2.ts, 35, 3)) >ObjType : Symbol(ObjType, Decl(parenthesizedContexualTyping2.ts, 31, 67)) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 35, 22)) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 35, 25)) >x : Symbol(x, Decl(parenthesizedContexualTyping2.ts, 35, 25)) >undefined : Symbol(undefined) >y : Symbol(y, Decl(parenthesizedContexualTyping2.ts, 35, 46)) >y : Symbol(y, Decl(parenthesizedContexualTyping2.ts, 35, 49)) >y : Symbol(y, Decl(parenthesizedContexualTyping2.ts, 35, 49)) >undefined : Symbol(undefined)